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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
2a1d9b7f RD |
3 | * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. |
4 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. | |
1da177e4 LT |
5 | * |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
1da177e4 LT |
33 | */ |
34 | ||
35 | #include "core_priv.h" | |
36 | ||
8c65b4a6 | 37 | #include <linux/slab.h> |
fc87af74 | 38 | #include <linux/stat.h> |
8c65b4a6 | 39 | #include <linux/string.h> |
470be516 | 40 | #include <linux/netdevice.h> |
41a6ae1e | 41 | #include <linux/ethtool.h> |
8c65b4a6 | 42 | |
a4d61e84 | 43 | #include <rdma/ib_mad.h> |
b2788ce5 | 44 | #include <rdma/ib_pma.h> |
77e786fc | 45 | #include <rdma/ib_cache.h> |
1da177e4 | 46 | |
470be516 MB |
47 | struct ib_port; |
48 | ||
49 | struct gid_attr_group { | |
50 | struct ib_port *port; | |
51 | struct kobject kobj; | |
52 | struct attribute_group ndev; | |
53 | struct attribute_group type; | |
54 | }; | |
1da177e4 LT |
55 | struct ib_port { |
56 | struct kobject kobj; | |
57 | struct ib_device *ibdev; | |
470be516 | 58 | struct gid_attr_group *gid_attr_group; |
1da177e4 | 59 | struct attribute_group gid_group; |
1da177e4 | 60 | struct attribute_group pkey_group; |
145d9c54 | 61 | struct attribute_group *pma_table; |
b40f4757 CL |
62 | struct attribute_group *hw_stats_ag; |
63 | struct rdma_hw_stats *hw_stats; | |
64 | u8 port_num; | |
1da177e4 LT |
65 | }; |
66 | ||
67 | struct port_attribute { | |
68 | struct attribute attr; | |
69 | ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf); | |
70 | ssize_t (*store)(struct ib_port *, struct port_attribute *, | |
71 | const char *buf, size_t count); | |
72 | }; | |
73 | ||
74 | #define PORT_ATTR(_name, _mode, _show, _store) \ | |
75 | struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store) | |
76 | ||
77 | #define PORT_ATTR_RO(_name) \ | |
78 | struct port_attribute port_attr_##_name = __ATTR_RO(_name) | |
79 | ||
80 | struct port_table_attribute { | |
d48593bf DT |
81 | struct port_attribute attr; |
82 | char name[8]; | |
83 | int index; | |
65487fdc | 84 | __be16 attr_id; |
1da177e4 LT |
85 | }; |
86 | ||
b40f4757 CL |
87 | struct hw_stats_attribute { |
88 | struct attribute attr; | |
89 | ssize_t (*show)(struct kobject *kobj, | |
90 | struct attribute *attr, char *buf); | |
91 | ssize_t (*store)(struct kobject *kobj, | |
92 | struct attribute *attr, | |
93 | const char *buf, | |
94 | size_t count); | |
95 | int index; | |
96 | u8 port_num; | |
97 | }; | |
98 | ||
1da177e4 LT |
99 | static ssize_t port_attr_show(struct kobject *kobj, |
100 | struct attribute *attr, char *buf) | |
101 | { | |
102 | struct port_attribute *port_attr = | |
103 | container_of(attr, struct port_attribute, attr); | |
104 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
105 | ||
106 | if (!port_attr->show) | |
70f2817a | 107 | return -EIO; |
1da177e4 LT |
108 | |
109 | return port_attr->show(p, port_attr, buf); | |
110 | } | |
111 | ||
79c4d80b PP |
112 | static ssize_t port_attr_store(struct kobject *kobj, |
113 | struct attribute *attr, | |
114 | const char *buf, size_t count) | |
115 | { | |
116 | struct port_attribute *port_attr = | |
117 | container_of(attr, struct port_attribute, attr); | |
118 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
119 | ||
120 | if (!port_attr->store) | |
121 | return -EIO; | |
122 | return port_attr->store(p, port_attr, buf, count); | |
123 | } | |
124 | ||
52cf25d0 | 125 | static const struct sysfs_ops port_sysfs_ops = { |
79c4d80b PP |
126 | .show = port_attr_show, |
127 | .store = port_attr_store | |
1da177e4 LT |
128 | }; |
129 | ||
470be516 MB |
130 | static ssize_t gid_attr_show(struct kobject *kobj, |
131 | struct attribute *attr, char *buf) | |
132 | { | |
133 | struct port_attribute *port_attr = | |
134 | container_of(attr, struct port_attribute, attr); | |
135 | struct ib_port *p = container_of(kobj, struct gid_attr_group, | |
136 | kobj)->port; | |
137 | ||
138 | if (!port_attr->show) | |
139 | return -EIO; | |
140 | ||
141 | return port_attr->show(p, port_attr, buf); | |
142 | } | |
143 | ||
144 | static const struct sysfs_ops gid_attr_sysfs_ops = { | |
145 | .show = gid_attr_show | |
146 | }; | |
147 | ||
1da177e4 LT |
148 | static ssize_t state_show(struct ib_port *p, struct port_attribute *unused, |
149 | char *buf) | |
150 | { | |
151 | struct ib_port_attr attr; | |
152 | ssize_t ret; | |
153 | ||
154 | static const char *state_name[] = { | |
155 | [IB_PORT_NOP] = "NOP", | |
156 | [IB_PORT_DOWN] = "DOWN", | |
157 | [IB_PORT_INIT] = "INIT", | |
158 | [IB_PORT_ARMED] = "ARMED", | |
159 | [IB_PORT_ACTIVE] = "ACTIVE", | |
160 | [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" | |
161 | }; | |
162 | ||
163 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
164 | if (ret) | |
165 | return ret; | |
166 | ||
167 | return sprintf(buf, "%d: %s\n", attr.state, | |
048975ac | 168 | attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ? |
1da177e4 LT |
169 | state_name[attr.state] : "UNKNOWN"); |
170 | } | |
171 | ||
172 | static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, | |
173 | char *buf) | |
174 | { | |
175 | struct ib_port_attr attr; | |
176 | ssize_t ret; | |
177 | ||
178 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
179 | if (ret) | |
180 | return ret; | |
181 | ||
182 | return sprintf(buf, "0x%x\n", attr.lid); | |
183 | } | |
184 | ||
185 | static ssize_t lid_mask_count_show(struct ib_port *p, | |
186 | struct port_attribute *unused, | |
187 | char *buf) | |
188 | { | |
189 | struct ib_port_attr attr; | |
190 | ssize_t ret; | |
191 | ||
192 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
193 | if (ret) | |
194 | return ret; | |
195 | ||
196 | return sprintf(buf, "%d\n", attr.lmc); | |
197 | } | |
198 | ||
199 | static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, | |
200 | char *buf) | |
201 | { | |
202 | struct ib_port_attr attr; | |
203 | ssize_t ret; | |
204 | ||
205 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
206 | if (ret) | |
207 | return ret; | |
208 | ||
209 | return sprintf(buf, "0x%x\n", attr.sm_lid); | |
210 | } | |
211 | ||
212 | static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, | |
213 | char *buf) | |
214 | { | |
215 | struct ib_port_attr attr; | |
216 | ssize_t ret; | |
217 | ||
218 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
219 | if (ret) | |
220 | return ret; | |
221 | ||
222 | return sprintf(buf, "%d\n", attr.sm_sl); | |
223 | } | |
224 | ||
225 | static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, | |
226 | char *buf) | |
227 | { | |
228 | struct ib_port_attr attr; | |
229 | ssize_t ret; | |
230 | ||
231 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
232 | if (ret) | |
233 | return ret; | |
234 | ||
235 | return sprintf(buf, "0x%08x\n", attr.port_cap_flags); | |
236 | } | |
237 | ||
238 | static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, | |
239 | char *buf) | |
240 | { | |
241 | struct ib_port_attr attr; | |
242 | char *speed = ""; | |
0559d8dc | 243 | int rate; /* in deci-Gb/sec */ |
1da177e4 LT |
244 | ssize_t ret; |
245 | ||
246 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
247 | if (ret) | |
248 | return ret; | |
249 | ||
250 | switch (attr.active_speed) { | |
2e96691c | 251 | case IB_SPEED_DDR: |
71eeba16 | 252 | speed = " DDR"; |
e9319b0c | 253 | rate = 50; |
71eeba16 | 254 | break; |
2e96691c | 255 | case IB_SPEED_QDR: |
71eeba16 | 256 | speed = " QDR"; |
e9319b0c | 257 | rate = 100; |
71eeba16 | 258 | break; |
2e96691c | 259 | case IB_SPEED_FDR10: |
71eeba16 | 260 | speed = " FDR10"; |
e9319b0c | 261 | rate = 100; |
71eeba16 | 262 | break; |
2e96691c | 263 | case IB_SPEED_FDR: |
71eeba16 | 264 | speed = " FDR"; |
e9319b0c | 265 | rate = 140; |
71eeba16 | 266 | break; |
2e96691c | 267 | case IB_SPEED_EDR: |
71eeba16 | 268 | speed = " EDR"; |
e9319b0c | 269 | rate = 250; |
71eeba16 | 270 | break; |
12113a35 NO |
271 | case IB_SPEED_HDR: |
272 | speed = " HDR"; | |
273 | rate = 500; | |
274 | break; | |
0559d8dc RD |
275 | case IB_SPEED_SDR: |
276 | default: /* default to SDR for invalid rates */ | |
311d0da9 | 277 | speed = " SDR"; |
0559d8dc RD |
278 | rate = 25; |
279 | break; | |
1da177e4 LT |
280 | } |
281 | ||
71eeba16 | 282 | rate *= ib_width_enum_to_int(attr.active_width); |
1da177e4 LT |
283 | if (rate < 0) |
284 | return -EINVAL; | |
285 | ||
286 | return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", | |
e9319b0c | 287 | rate / 10, rate % 10 ? ".5" : "", |
1da177e4 LT |
288 | ib_width_enum_to_int(attr.active_width), speed); |
289 | } | |
290 | ||
291 | static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, | |
292 | char *buf) | |
293 | { | |
294 | struct ib_port_attr attr; | |
295 | ||
296 | ssize_t ret; | |
297 | ||
298 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
299 | if (ret) | |
300 | return ret; | |
301 | ||
302 | switch (attr.phys_state) { | |
303 | case 1: return sprintf(buf, "1: Sleep\n"); | |
304 | case 2: return sprintf(buf, "2: Polling\n"); | |
305 | case 3: return sprintf(buf, "3: Disabled\n"); | |
306 | case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); | |
307 | case 5: return sprintf(buf, "5: LinkUp\n"); | |
308 | case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); | |
309 | case 7: return sprintf(buf, "7: Phy Test\n"); | |
310 | default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); | |
311 | } | |
312 | } | |
313 | ||
8ad330a0 EC |
314 | static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, |
315 | char *buf) | |
316 | { | |
317 | switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { | |
318 | case IB_LINK_LAYER_INFINIBAND: | |
319 | return sprintf(buf, "%s\n", "InfiniBand"); | |
320 | case IB_LINK_LAYER_ETHERNET: | |
321 | return sprintf(buf, "%s\n", "Ethernet"); | |
322 | default: | |
323 | return sprintf(buf, "%s\n", "Unknown"); | |
324 | } | |
325 | } | |
326 | ||
1da177e4 LT |
327 | static PORT_ATTR_RO(state); |
328 | static PORT_ATTR_RO(lid); | |
329 | static PORT_ATTR_RO(lid_mask_count); | |
330 | static PORT_ATTR_RO(sm_lid); | |
331 | static PORT_ATTR_RO(sm_sl); | |
332 | static PORT_ATTR_RO(cap_mask); | |
333 | static PORT_ATTR_RO(rate); | |
334 | static PORT_ATTR_RO(phys_state); | |
8ad330a0 | 335 | static PORT_ATTR_RO(link_layer); |
1da177e4 LT |
336 | |
337 | static struct attribute *port_default_attrs[] = { | |
338 | &port_attr_state.attr, | |
339 | &port_attr_lid.attr, | |
340 | &port_attr_lid_mask_count.attr, | |
341 | &port_attr_sm_lid.attr, | |
342 | &port_attr_sm_sl.attr, | |
343 | &port_attr_cap_mask.attr, | |
344 | &port_attr_rate.attr, | |
345 | &port_attr_phys_state.attr, | |
8ad330a0 | 346 | &port_attr_link_layer.attr, |
1da177e4 LT |
347 | NULL |
348 | }; | |
349 | ||
77e786fc | 350 | static size_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf) |
470be516 MB |
351 | { |
352 | if (!gid_attr->ndev) | |
353 | return -EINVAL; | |
354 | ||
355 | return sprintf(buf, "%s\n", gid_attr->ndev->name); | |
356 | } | |
357 | ||
77e786fc | 358 | static size_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf) |
470be516 MB |
359 | { |
360 | return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type)); | |
361 | } | |
362 | ||
77e786fc PP |
363 | static ssize_t _show_port_gid_attr( |
364 | struct ib_port *p, struct port_attribute *attr, char *buf, | |
365 | size_t (*print)(const struct ib_gid_attr *gid_attr, char *buf)) | |
470be516 MB |
366 | { |
367 | struct port_table_attribute *tab_attr = | |
368 | container_of(attr, struct port_table_attribute, attr); | |
77e786fc | 369 | const struct ib_gid_attr *gid_attr; |
470be516 | 370 | ssize_t ret; |
470be516 | 371 | |
77e786fc PP |
372 | gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); |
373 | if (IS_ERR(gid_attr)) | |
374 | return PTR_ERR(gid_attr); | |
470be516 | 375 | |
77e786fc PP |
376 | ret = print(gid_attr, buf); |
377 | rdma_put_gid_attr(gid_attr); | |
470be516 MB |
378 | return ret; |
379 | } | |
380 | ||
1da177e4 LT |
381 | static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, |
382 | char *buf) | |
383 | { | |
384 | struct port_table_attribute *tab_attr = | |
385 | container_of(attr, struct port_table_attribute, attr); | |
77e786fc | 386 | const struct ib_gid_attr *gid_attr; |
1da177e4 LT |
387 | ssize_t ret; |
388 | ||
77e786fc PP |
389 | gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); |
390 | if (IS_ERR(gid_attr)) { | |
391 | const union ib_gid zgid = {}; | |
392 | ||
393 | /* If reading GID fails, it is likely due to GID entry being | |
394 | * empty (invalid) or reserved GID in the table. User space | |
395 | * expects to read GID table entries as long as it given index | |
396 | * is within GID table size. Administrative/debugging tool | |
397 | * fails to query rest of the GID entries if it hits error | |
398 | * while querying a GID of the given index. To avoid user | |
399 | * space throwing such error on fail to read gid, return zero | |
400 | * GID as before. This maintains backward compatibility. | |
401 | */ | |
402 | return sprintf(buf, "%pI6\n", zgid.raw); | |
403 | } | |
404 | ||
405 | ret = sprintf(buf, "%pI6\n", gid_attr->gid.raw); | |
406 | rdma_put_gid_attr(gid_attr); | |
407 | return ret; | |
1da177e4 LT |
408 | } |
409 | ||
470be516 MB |
410 | static ssize_t show_port_gid_attr_ndev(struct ib_port *p, |
411 | struct port_attribute *attr, char *buf) | |
412 | { | |
413 | return _show_port_gid_attr(p, attr, buf, print_ndev); | |
414 | } | |
415 | ||
416 | static ssize_t show_port_gid_attr_gid_type(struct ib_port *p, | |
417 | struct port_attribute *attr, | |
418 | char *buf) | |
419 | { | |
420 | return _show_port_gid_attr(p, attr, buf, print_gid_type); | |
421 | } | |
422 | ||
1da177e4 LT |
423 | static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, |
424 | char *buf) | |
425 | { | |
426 | struct port_table_attribute *tab_attr = | |
427 | container_of(attr, struct port_table_attribute, attr); | |
428 | u16 pkey; | |
429 | ssize_t ret; | |
430 | ||
431 | ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); | |
432 | if (ret) | |
433 | return ret; | |
434 | ||
435 | return sprintf(buf, "0x%04x\n", pkey); | |
436 | } | |
437 | ||
438 | #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ | |
439 | struct port_table_attribute port_pma_attr_##_name = { \ | |
440 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
b2788ce5 CL |
441 | .index = (_offset) | ((_width) << 16) | ((_counter) << 24), \ |
442 | .attr_id = IB_PMA_PORT_COUNTERS , \ | |
1da177e4 LT |
443 | } |
444 | ||
145d9c54 CL |
445 | #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \ |
446 | struct port_table_attribute port_pma_attr_ext_##_name = { \ | |
447 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
448 | .index = (_offset) | ((_width) << 16), \ | |
449 | .attr_id = IB_PMA_PORT_COUNTERS_EXT , \ | |
450 | } | |
451 | ||
35c4cbb1 CL |
452 | /* |
453 | * Get a Perfmgmt MAD block of data. | |
454 | * Returns error code or the number of bytes retrieved. | |
455 | */ | |
65487fdc | 456 | static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, |
35c4cbb1 | 457 | void *data, int offset, size_t size) |
1da177e4 | 458 | { |
35c4cbb1 CL |
459 | struct ib_mad *in_mad; |
460 | struct ib_mad *out_mad; | |
4cd7c947 IW |
461 | size_t mad_size = sizeof(*out_mad); |
462 | u16 out_mad_pkey_index = 0; | |
1da177e4 LT |
463 | ssize_t ret; |
464 | ||
3023a1e9 | 465 | if (!dev->ops.process_mad) |
35c4cbb1 | 466 | return -ENOSYS; |
1da177e4 | 467 | |
de6eb66b | 468 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
856c52a7 | 469 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
1da177e4 LT |
470 | if (!in_mad || !out_mad) { |
471 | ret = -ENOMEM; | |
472 | goto out; | |
473 | } | |
474 | ||
1da177e4 LT |
475 | in_mad->mad_hdr.base_version = 1; |
476 | in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; | |
477 | in_mad->mad_hdr.class_version = 1; | |
478 | in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; | |
35c4cbb1 | 479 | in_mad->mad_hdr.attr_id = attr; |
1da177e4 | 480 | |
6e2a51a0 HR |
481 | if (attr != IB_PMA_CLASS_PORT_INFO) |
482 | in_mad->data[41] = port_num; /* PortSelect field */ | |
1da177e4 | 483 | |
3023a1e9 KH |
484 | if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY, |
485 | port_num, NULL, NULL, | |
486 | (const struct ib_mad_hdr *)in_mad, mad_size, | |
487 | (struct ib_mad_hdr *)out_mad, &mad_size, | |
488 | &out_mad_pkey_index) & | |
1da177e4 LT |
489 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != |
490 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { | |
491 | ret = -EINVAL; | |
492 | goto out; | |
493 | } | |
35c4cbb1 CL |
494 | memcpy(data, out_mad->data + offset, size); |
495 | ret = size; | |
496 | out: | |
497 | kfree(in_mad); | |
498 | kfree(out_mad); | |
499 | return ret; | |
500 | } | |
501 | ||
502 | static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, | |
503 | char *buf) | |
504 | { | |
505 | struct port_table_attribute *tab_attr = | |
506 | container_of(attr, struct port_table_attribute, attr); | |
507 | int offset = tab_attr->index & 0xffff; | |
508 | int width = (tab_attr->index >> 16) & 0xff; | |
509 | ssize_t ret; | |
510 | u8 data[8]; | |
511 | ||
b2788ce5 | 512 | ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data, |
35c4cbb1 CL |
513 | 40 + offset / 8, sizeof(data)); |
514 | if (ret < 0) | |
0f6ef65d | 515 | return ret; |
1da177e4 LT |
516 | |
517 | switch (width) { | |
518 | case 4: | |
35c4cbb1 | 519 | ret = sprintf(buf, "%u\n", (*data >> |
d8b9f23b | 520 | (4 - (offset % 8))) & 0xf); |
1da177e4 LT |
521 | break; |
522 | case 8: | |
35c4cbb1 | 523 | ret = sprintf(buf, "%u\n", *data); |
1da177e4 LT |
524 | break; |
525 | case 16: | |
526 | ret = sprintf(buf, "%u\n", | |
35c4cbb1 | 527 | be16_to_cpup((__be16 *)data)); |
1da177e4 LT |
528 | break; |
529 | case 32: | |
530 | ret = sprintf(buf, "%u\n", | |
35c4cbb1 | 531 | be32_to_cpup((__be32 *)data)); |
1da177e4 | 532 | break; |
145d9c54 CL |
533 | case 64: |
534 | ret = sprintf(buf, "%llu\n", | |
535 | be64_to_cpup((__be64 *)data)); | |
536 | break; | |
537 | ||
1da177e4 LT |
538 | default: |
539 | ret = 0; | |
540 | } | |
541 | ||
1da177e4 LT |
542 | return ret; |
543 | } | |
544 | ||
545 | static PORT_PMA_ATTR(symbol_error , 0, 16, 32); | |
546 | static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); | |
547 | static PORT_PMA_ATTR(link_downed , 2, 8, 56); | |
548 | static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); | |
549 | static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); | |
550 | static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); | |
551 | static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); | |
552 | static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); | |
553 | static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); | |
554 | static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); | |
555 | static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); | |
556 | static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); | |
557 | static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); | |
558 | static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); | |
559 | static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); | |
560 | static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); | |
c5a81d11 | 561 | static PORT_PMA_ATTR(port_xmit_wait , 0, 32, 320); |
1da177e4 | 562 | |
145d9c54 CL |
563 | /* |
564 | * Counters added by extended set | |
565 | */ | |
566 | static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64); | |
567 | static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128); | |
568 | static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192); | |
569 | static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256); | |
570 | static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320); | |
571 | static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384); | |
572 | static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448); | |
573 | static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512); | |
574 | ||
1da177e4 LT |
575 | static struct attribute *pma_attrs[] = { |
576 | &port_pma_attr_symbol_error.attr.attr, | |
577 | &port_pma_attr_link_error_recovery.attr.attr, | |
578 | &port_pma_attr_link_downed.attr.attr, | |
579 | &port_pma_attr_port_rcv_errors.attr.attr, | |
580 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
581 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
582 | &port_pma_attr_port_xmit_discards.attr.attr, | |
583 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
584 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
585 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
586 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
587 | &port_pma_attr_VL15_dropped.attr.attr, | |
588 | &port_pma_attr_port_xmit_data.attr.attr, | |
589 | &port_pma_attr_port_rcv_data.attr.attr, | |
590 | &port_pma_attr_port_xmit_packets.attr.attr, | |
591 | &port_pma_attr_port_rcv_packets.attr.attr, | |
c5a81d11 | 592 | &port_pma_attr_port_xmit_wait.attr.attr, |
1da177e4 LT |
593 | NULL |
594 | }; | |
595 | ||
145d9c54 CL |
596 | static struct attribute *pma_attrs_ext[] = { |
597 | &port_pma_attr_symbol_error.attr.attr, | |
598 | &port_pma_attr_link_error_recovery.attr.attr, | |
599 | &port_pma_attr_link_downed.attr.attr, | |
600 | &port_pma_attr_port_rcv_errors.attr.attr, | |
601 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
602 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
603 | &port_pma_attr_port_xmit_discards.attr.attr, | |
604 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
605 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
606 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
607 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
608 | &port_pma_attr_VL15_dropped.attr.attr, | |
609 | &port_pma_attr_ext_port_xmit_data.attr.attr, | |
610 | &port_pma_attr_ext_port_rcv_data.attr.attr, | |
611 | &port_pma_attr_ext_port_xmit_packets.attr.attr, | |
c5a81d11 | 612 | &port_pma_attr_port_xmit_wait.attr.attr, |
145d9c54 CL |
613 | &port_pma_attr_ext_port_rcv_packets.attr.attr, |
614 | &port_pma_attr_ext_unicast_rcv_packets.attr.attr, | |
615 | &port_pma_attr_ext_unicast_xmit_packets.attr.attr, | |
616 | &port_pma_attr_ext_multicast_rcv_packets.attr.attr, | |
617 | &port_pma_attr_ext_multicast_xmit_packets.attr.attr, | |
618 | NULL | |
619 | }; | |
620 | ||
621 | static struct attribute *pma_attrs_noietf[] = { | |
622 | &port_pma_attr_symbol_error.attr.attr, | |
623 | &port_pma_attr_link_error_recovery.attr.attr, | |
624 | &port_pma_attr_link_downed.attr.attr, | |
625 | &port_pma_attr_port_rcv_errors.attr.attr, | |
626 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
627 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
628 | &port_pma_attr_port_xmit_discards.attr.attr, | |
629 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
630 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
631 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
632 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
633 | &port_pma_attr_VL15_dropped.attr.attr, | |
634 | &port_pma_attr_ext_port_xmit_data.attr.attr, | |
635 | &port_pma_attr_ext_port_rcv_data.attr.attr, | |
636 | &port_pma_attr_ext_port_xmit_packets.attr.attr, | |
637 | &port_pma_attr_ext_port_rcv_packets.attr.attr, | |
c5a81d11 | 638 | &port_pma_attr_port_xmit_wait.attr.attr, |
145d9c54 CL |
639 | NULL |
640 | }; | |
641 | ||
1da177e4 LT |
642 | static struct attribute_group pma_group = { |
643 | .name = "counters", | |
644 | .attrs = pma_attrs | |
645 | }; | |
646 | ||
145d9c54 CL |
647 | static struct attribute_group pma_group_ext = { |
648 | .name = "counters", | |
649 | .attrs = pma_attrs_ext | |
650 | }; | |
651 | ||
652 | static struct attribute_group pma_group_noietf = { | |
653 | .name = "counters", | |
654 | .attrs = pma_attrs_noietf | |
655 | }; | |
656 | ||
1da177e4 LT |
657 | static void ib_port_release(struct kobject *kobj) |
658 | { | |
659 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
660 | struct attribute *a; | |
661 | int i; | |
662 | ||
cad6d02a HE |
663 | if (p->gid_group.attrs) { |
664 | for (i = 0; (a = p->gid_group.attrs[i]); ++i) | |
665 | kfree(a); | |
1da177e4 | 666 | |
cad6d02a HE |
667 | kfree(p->gid_group.attrs); |
668 | } | |
d48593bf | 669 | |
cad6d02a HE |
670 | if (p->pkey_group.attrs) { |
671 | for (i = 0; (a = p->pkey_group.attrs[i]); ++i) | |
672 | kfree(a); | |
1da177e4 | 673 | |
cad6d02a HE |
674 | kfree(p->pkey_group.attrs); |
675 | } | |
d48593bf | 676 | |
1da177e4 LT |
677 | kfree(p); |
678 | } | |
679 | ||
470be516 MB |
680 | static void ib_port_gid_attr_release(struct kobject *kobj) |
681 | { | |
682 | struct gid_attr_group *g = container_of(kobj, struct gid_attr_group, | |
683 | kobj); | |
684 | struct attribute *a; | |
685 | int i; | |
686 | ||
687 | if (g->ndev.attrs) { | |
688 | for (i = 0; (a = g->ndev.attrs[i]); ++i) | |
689 | kfree(a); | |
690 | ||
691 | kfree(g->ndev.attrs); | |
692 | } | |
693 | ||
694 | if (g->type.attrs) { | |
695 | for (i = 0; (a = g->type.attrs[i]); ++i) | |
696 | kfree(a); | |
697 | ||
698 | kfree(g->type.attrs); | |
699 | } | |
700 | ||
701 | kfree(g); | |
702 | } | |
703 | ||
1da177e4 LT |
704 | static struct kobj_type port_type = { |
705 | .release = ib_port_release, | |
706 | .sysfs_ops = &port_sysfs_ops, | |
707 | .default_attrs = port_default_attrs | |
708 | }; | |
709 | ||
470be516 MB |
710 | static struct kobj_type gid_attr_type = { |
711 | .sysfs_ops = &gid_attr_sysfs_ops, | |
712 | .release = ib_port_gid_attr_release | |
713 | }; | |
714 | ||
d48593bf DT |
715 | static struct attribute ** |
716 | alloc_group_attrs(ssize_t (*show)(struct ib_port *, | |
717 | struct port_attribute *, char *buf), | |
718 | int len) | |
1da177e4 | 719 | { |
d48593bf DT |
720 | struct attribute **tab_attr; |
721 | struct port_table_attribute *element; | |
1da177e4 | 722 | int i; |
1da177e4 | 723 | |
d48593bf DT |
724 | tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); |
725 | if (!tab_attr) | |
726 | return NULL; | |
1da177e4 | 727 | |
d48593bf | 728 | for (i = 0; i < len; i++) { |
82ca76b6 | 729 | element = kzalloc(sizeof(struct port_table_attribute), |
d48593bf DT |
730 | GFP_KERNEL); |
731 | if (!element) | |
1da177e4 | 732 | goto err; |
1da177e4 | 733 | |
d48593bf | 734 | if (snprintf(element->name, sizeof(element->name), |
048975ac RD |
735 | "%d", i) >= sizeof(element->name)) { |
736 | kfree(element); | |
1da177e4 | 737 | goto err; |
048975ac | 738 | } |
1da177e4 | 739 | |
d48593bf DT |
740 | element->attr.attr.name = element->name; |
741 | element->attr.attr.mode = S_IRUGO; | |
d48593bf DT |
742 | element->attr.show = show; |
743 | element->index = i; | |
21e3bde9 | 744 | sysfs_attr_init(&element->attr.attr); |
1da177e4 | 745 | |
d48593bf | 746 | tab_attr[i] = &element->attr.attr; |
1da177e4 LT |
747 | } |
748 | ||
d48593bf | 749 | return tab_attr; |
1da177e4 | 750 | |
d48593bf DT |
751 | err: |
752 | while (--i >= 0) | |
753 | kfree(tab_attr[i]); | |
754 | kfree(tab_attr); | |
755 | return NULL; | |
1da177e4 LT |
756 | } |
757 | ||
145d9c54 CL |
758 | /* |
759 | * Figure out which counter table to use depending on | |
760 | * the device capabilities. | |
761 | */ | |
6e2a51a0 HR |
762 | static struct attribute_group *get_counter_table(struct ib_device *dev, |
763 | int port_num) | |
145d9c54 CL |
764 | { |
765 | struct ib_class_port_info cpi; | |
766 | ||
6e2a51a0 | 767 | if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO, |
145d9c54 | 768 | &cpi, 40, sizeof(cpi)) >= 0) { |
ee50aeac | 769 | if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH) |
145d9c54 CL |
770 | /* We have extended counters */ |
771 | return &pma_group_ext; | |
772 | ||
ee50aeac | 773 | if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF) |
145d9c54 CL |
774 | /* But not the IETF ones */ |
775 | return &pma_group_noietf; | |
776 | } | |
777 | ||
778 | /* Fall back to normal counters */ | |
779 | return &pma_group; | |
780 | } | |
781 | ||
b40f4757 CL |
782 | static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, |
783 | u8 port_num, int index) | |
784 | { | |
785 | int ret; | |
786 | ||
787 | if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan)) | |
788 | return 0; | |
3023a1e9 | 789 | ret = dev->ops.get_hw_stats(dev, stats, port_num, index); |
b40f4757 CL |
790 | if (ret < 0) |
791 | return ret; | |
792 | if (ret == stats->num_counters) | |
793 | stats->timestamp = jiffies; | |
794 | ||
795 | return 0; | |
796 | } | |
797 | ||
798 | static ssize_t print_hw_stat(struct rdma_hw_stats *stats, int index, char *buf) | |
799 | { | |
800 | return sprintf(buf, "%llu\n", stats->value[index]); | |
801 | } | |
802 | ||
803 | static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr, | |
804 | char *buf) | |
805 | { | |
806 | struct ib_device *dev; | |
807 | struct ib_port *port; | |
808 | struct hw_stats_attribute *hsa; | |
809 | struct rdma_hw_stats *stats; | |
810 | int ret; | |
811 | ||
812 | hsa = container_of(attr, struct hw_stats_attribute, attr); | |
813 | if (!hsa->port_num) { | |
814 | dev = container_of((struct device *)kobj, | |
815 | struct ib_device, dev); | |
816 | stats = dev->hw_stats; | |
817 | } else { | |
818 | port = container_of(kobj, struct ib_port, kobj); | |
819 | dev = port->ibdev; | |
820 | stats = port->hw_stats; | |
821 | } | |
e945130b | 822 | mutex_lock(&stats->lock); |
b40f4757 CL |
823 | ret = update_hw_stats(dev, stats, hsa->port_num, hsa->index); |
824 | if (ret) | |
e945130b MB |
825 | goto unlock; |
826 | ret = print_hw_stat(stats, hsa->index, buf); | |
827 | unlock: | |
828 | mutex_unlock(&stats->lock); | |
829 | ||
830 | return ret; | |
b40f4757 CL |
831 | } |
832 | ||
833 | static ssize_t show_stats_lifespan(struct kobject *kobj, | |
834 | struct attribute *attr, | |
835 | char *buf) | |
836 | { | |
837 | struct hw_stats_attribute *hsa; | |
e945130b | 838 | struct rdma_hw_stats *stats; |
b40f4757 CL |
839 | int msecs; |
840 | ||
841 | hsa = container_of(attr, struct hw_stats_attribute, attr); | |
842 | if (!hsa->port_num) { | |
843 | struct ib_device *dev = container_of((struct device *)kobj, | |
844 | struct ib_device, dev); | |
e945130b MB |
845 | |
846 | stats = dev->hw_stats; | |
b40f4757 CL |
847 | } else { |
848 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
e945130b MB |
849 | |
850 | stats = p->hw_stats; | |
b40f4757 | 851 | } |
e945130b MB |
852 | |
853 | mutex_lock(&stats->lock); | |
854 | msecs = jiffies_to_msecs(stats->lifespan); | |
855 | mutex_unlock(&stats->lock); | |
856 | ||
b40f4757 CL |
857 | return sprintf(buf, "%d\n", msecs); |
858 | } | |
859 | ||
860 | static ssize_t set_stats_lifespan(struct kobject *kobj, | |
861 | struct attribute *attr, | |
862 | const char *buf, size_t count) | |
863 | { | |
864 | struct hw_stats_attribute *hsa; | |
e945130b | 865 | struct rdma_hw_stats *stats; |
b40f4757 CL |
866 | int msecs; |
867 | int jiffies; | |
868 | int ret; | |
869 | ||
870 | ret = kstrtoint(buf, 10, &msecs); | |
871 | if (ret) | |
872 | return ret; | |
873 | if (msecs < 0 || msecs > 10000) | |
874 | return -EINVAL; | |
875 | jiffies = msecs_to_jiffies(msecs); | |
876 | hsa = container_of(attr, struct hw_stats_attribute, attr); | |
877 | if (!hsa->port_num) { | |
878 | struct ib_device *dev = container_of((struct device *)kobj, | |
879 | struct ib_device, dev); | |
e945130b MB |
880 | |
881 | stats = dev->hw_stats; | |
b40f4757 CL |
882 | } else { |
883 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
e945130b MB |
884 | |
885 | stats = p->hw_stats; | |
b40f4757 | 886 | } |
e945130b MB |
887 | |
888 | mutex_lock(&stats->lock); | |
889 | stats->lifespan = jiffies; | |
890 | mutex_unlock(&stats->lock); | |
891 | ||
b40f4757 CL |
892 | return count; |
893 | } | |
894 | ||
895 | static void free_hsag(struct kobject *kobj, struct attribute_group *attr_group) | |
896 | { | |
897 | struct attribute **attr; | |
898 | ||
899 | sysfs_remove_group(kobj, attr_group); | |
900 | ||
901 | for (attr = attr_group->attrs; *attr; attr++) | |
902 | kfree(*attr); | |
903 | kfree(attr_group); | |
904 | } | |
905 | ||
906 | static struct attribute *alloc_hsa(int index, u8 port_num, const char *name) | |
907 | { | |
908 | struct hw_stats_attribute *hsa; | |
909 | ||
910 | hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); | |
911 | if (!hsa) | |
912 | return NULL; | |
913 | ||
914 | hsa->attr.name = (char *)name; | |
915 | hsa->attr.mode = S_IRUGO; | |
916 | hsa->show = show_hw_stats; | |
917 | hsa->store = NULL; | |
918 | hsa->index = index; | |
919 | hsa->port_num = port_num; | |
920 | ||
921 | return &hsa->attr; | |
922 | } | |
923 | ||
924 | static struct attribute *alloc_hsa_lifespan(char *name, u8 port_num) | |
925 | { | |
926 | struct hw_stats_attribute *hsa; | |
927 | ||
928 | hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); | |
929 | if (!hsa) | |
930 | return NULL; | |
931 | ||
932 | hsa->attr.name = name; | |
933 | hsa->attr.mode = S_IWUSR | S_IRUGO; | |
934 | hsa->show = show_stats_lifespan; | |
935 | hsa->store = set_stats_lifespan; | |
936 | hsa->index = 0; | |
937 | hsa->port_num = port_num; | |
938 | ||
939 | return &hsa->attr; | |
940 | } | |
941 | ||
942 | static void setup_hw_stats(struct ib_device *device, struct ib_port *port, | |
943 | u8 port_num) | |
944 | { | |
495fbae6 | 945 | struct attribute_group *hsag; |
b40f4757 | 946 | struct rdma_hw_stats *stats; |
495fbae6 | 947 | int i, ret; |
b40f4757 | 948 | |
3023a1e9 | 949 | stats = device->ops.alloc_hw_stats(device, port_num); |
b40f4757 CL |
950 | |
951 | if (!stats) | |
952 | return; | |
953 | ||
954 | if (!stats->names || stats->num_counters <= 0) | |
0147ebcf | 955 | goto err_free_stats; |
b40f4757 | 956 | |
41aaa99f DL |
957 | /* |
958 | * Two extra attribue elements here, one for the lifespan entry and | |
959 | * one to NULL terminate the list for the sysfs core code | |
960 | */ | |
b40f4757 | 961 | hsag = kzalloc(sizeof(*hsag) + |
41aaa99f | 962 | sizeof(void *) * (stats->num_counters + 2), |
b40f4757 CL |
963 | GFP_KERNEL); |
964 | if (!hsag) | |
0147ebcf | 965 | goto err_free_stats; |
b40f4757 | 966 | |
3023a1e9 KH |
967 | ret = device->ops.get_hw_stats(device, stats, port_num, |
968 | stats->num_counters); | |
b40f4757 | 969 | if (ret != stats->num_counters) |
495fbae6 | 970 | goto err_free_hsag; |
b40f4757 CL |
971 | |
972 | stats->timestamp = jiffies; | |
973 | ||
974 | hsag->name = "hw_counters"; | |
975 | hsag->attrs = (void *)hsag + sizeof(*hsag); | |
976 | ||
977 | for (i = 0; i < stats->num_counters; i++) { | |
978 | hsag->attrs[i] = alloc_hsa(i, port_num, stats->names[i]); | |
979 | if (!hsag->attrs[i]) | |
980 | goto err; | |
8aec013a | 981 | sysfs_attr_init(hsag->attrs[i]); |
b40f4757 CL |
982 | } |
983 | ||
e945130b | 984 | mutex_init(&stats->lock); |
b40f4757 CL |
985 | /* treat an error here as non-fatal */ |
986 | hsag->attrs[i] = alloc_hsa_lifespan("lifespan", port_num); | |
8aec013a MB |
987 | if (hsag->attrs[i]) |
988 | sysfs_attr_init(hsag->attrs[i]); | |
b40f4757 CL |
989 | |
990 | if (port) { | |
991 | struct kobject *kobj = &port->kobj; | |
992 | ret = sysfs_create_group(kobj, hsag); | |
993 | if (ret) | |
994 | goto err; | |
995 | port->hw_stats_ag = hsag; | |
996 | port->hw_stats = stats; | |
997 | } else { | |
998 | struct kobject *kobj = &device->dev.kobj; | |
999 | ret = sysfs_create_group(kobj, hsag); | |
1000 | if (ret) | |
1001 | goto err; | |
1002 | device->hw_stats_ag = hsag; | |
1003 | device->hw_stats = stats; | |
1004 | } | |
1005 | ||
1006 | return; | |
1007 | ||
1008 | err: | |
b40f4757 CL |
1009 | for (; i >= 0; i--) |
1010 | kfree(hsag->attrs[i]); | |
495fbae6 | 1011 | err_free_hsag: |
b40f4757 | 1012 | kfree(hsag); |
0147ebcf CIK |
1013 | err_free_stats: |
1014 | kfree(stats); | |
b40f4757 CL |
1015 | return; |
1016 | } | |
1017 | ||
ea4baf7f | 1018 | static int add_port(struct ib_device *device, int port_num) |
1da177e4 LT |
1019 | { |
1020 | struct ib_port *p; | |
1021 | struct ib_port_attr attr; | |
1022 | int i; | |
1023 | int ret; | |
1024 | ||
1025 | ret = ib_query_port(device, port_num, &attr); | |
1026 | if (ret) | |
1027 | return ret; | |
1028 | ||
de6eb66b | 1029 | p = kzalloc(sizeof *p, GFP_KERNEL); |
1da177e4 LT |
1030 | if (!p) |
1031 | return -ENOMEM; | |
1da177e4 LT |
1032 | |
1033 | p->ibdev = device; | |
1034 | p->port_num = port_num; | |
1da177e4 | 1035 | |
35be0681 | 1036 | ret = kobject_init_and_add(&p->kobj, &port_type, |
1ae4cfa0 | 1037 | device->ports_kobj, |
35be0681 | 1038 | "%d", port_num); |
cad6d02a HE |
1039 | if (ret) { |
1040 | kfree(p); | |
1041 | return ret; | |
1042 | } | |
1da177e4 | 1043 | |
470be516 MB |
1044 | p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL); |
1045 | if (!p->gid_attr_group) { | |
1046 | ret = -ENOMEM; | |
1047 | goto err_put; | |
1048 | } | |
1049 | ||
1050 | p->gid_attr_group->port = p; | |
1051 | ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type, | |
1052 | &p->kobj, "gid_attrs"); | |
1053 | if (ret) { | |
1054 | kfree(p->gid_attr_group); | |
1055 | goto err_put; | |
1056 | } | |
1057 | ||
3023a1e9 | 1058 | if (device->ops.process_mad) { |
0f6ef65d PP |
1059 | p->pma_table = get_counter_table(device, port_num); |
1060 | ret = sysfs_create_group(&p->kobj, p->pma_table); | |
1061 | if (ret) | |
1062 | goto err_put_gid_attrs; | |
1063 | } | |
1da177e4 | 1064 | |
1da177e4 | 1065 | p->gid_group.name = "gids"; |
d48593bf | 1066 | p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); |
80b15043 WY |
1067 | if (!p->gid_group.attrs) { |
1068 | ret = -ENOMEM; | |
d48593bf | 1069 | goto err_remove_pma; |
80b15043 | 1070 | } |
1da177e4 LT |
1071 | |
1072 | ret = sysfs_create_group(&p->kobj, &p->gid_group); | |
1073 | if (ret) | |
1074 | goto err_free_gid; | |
1075 | ||
470be516 MB |
1076 | p->gid_attr_group->ndev.name = "ndevs"; |
1077 | p->gid_attr_group->ndev.attrs = alloc_group_attrs(show_port_gid_attr_ndev, | |
1078 | attr.gid_tbl_len); | |
1079 | if (!p->gid_attr_group->ndev.attrs) { | |
1080 | ret = -ENOMEM; | |
1081 | goto err_remove_gid; | |
1082 | } | |
1083 | ||
1084 | ret = sysfs_create_group(&p->gid_attr_group->kobj, | |
1085 | &p->gid_attr_group->ndev); | |
1086 | if (ret) | |
1087 | goto err_free_gid_ndev; | |
1088 | ||
1089 | p->gid_attr_group->type.name = "types"; | |
1090 | p->gid_attr_group->type.attrs = alloc_group_attrs(show_port_gid_attr_gid_type, | |
1091 | attr.gid_tbl_len); | |
1092 | if (!p->gid_attr_group->type.attrs) { | |
1093 | ret = -ENOMEM; | |
1094 | goto err_remove_gid_ndev; | |
1095 | } | |
1096 | ||
1097 | ret = sysfs_create_group(&p->gid_attr_group->kobj, | |
1098 | &p->gid_attr_group->type); | |
1099 | if (ret) | |
1100 | goto err_free_gid_type; | |
1101 | ||
1da177e4 | 1102 | p->pkey_group.name = "pkeys"; |
d48593bf DT |
1103 | p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, |
1104 | attr.pkey_tbl_len); | |
80b15043 WY |
1105 | if (!p->pkey_group.attrs) { |
1106 | ret = -ENOMEM; | |
470be516 | 1107 | goto err_remove_gid_type; |
80b15043 | 1108 | } |
1da177e4 LT |
1109 | |
1110 | ret = sysfs_create_group(&p->kobj, &p->pkey_group); | |
1111 | if (ret) | |
1112 | goto err_free_pkey; | |
1113 | ||
ea4baf7f PP |
1114 | if (device->ops.init_port) { |
1115 | ret = device->ops.init_port(device, port_num, &p->kobj); | |
9a6edb60 RC |
1116 | if (ret) |
1117 | goto err_remove_pkey; | |
1118 | } | |
1119 | ||
b40f4757 | 1120 | /* |
76d865b8 PP |
1121 | * If port == 0, it means hw_counters are per device and not per |
1122 | * port, so holder should be device. Therefore skip per port conunter | |
1123 | * initialization. | |
b40f4757 | 1124 | */ |
3023a1e9 | 1125 | if (device->ops.alloc_hw_stats && port_num) |
b40f4757 CL |
1126 | setup_hw_stats(device, p, port_num); |
1127 | ||
1da177e4 LT |
1128 | list_add_tail(&p->kobj.entry, &device->port_list); |
1129 | ||
35be0681 | 1130 | kobject_uevent(&p->kobj, KOBJ_ADD); |
1da177e4 LT |
1131 | return 0; |
1132 | ||
9a6edb60 RC |
1133 | err_remove_pkey: |
1134 | sysfs_remove_group(&p->kobj, &p->pkey_group); | |
1135 | ||
1da177e4 | 1136 | err_free_pkey: |
d48593bf DT |
1137 | for (i = 0; i < attr.pkey_tbl_len; ++i) |
1138 | kfree(p->pkey_group.attrs[i]); | |
1da177e4 | 1139 | |
d48593bf | 1140 | kfree(p->pkey_group.attrs); |
cad6d02a | 1141 | p->pkey_group.attrs = NULL; |
1da177e4 | 1142 | |
470be516 MB |
1143 | err_remove_gid_type: |
1144 | sysfs_remove_group(&p->gid_attr_group->kobj, | |
1145 | &p->gid_attr_group->type); | |
1146 | ||
1147 | err_free_gid_type: | |
1148 | for (i = 0; i < attr.gid_tbl_len; ++i) | |
1149 | kfree(p->gid_attr_group->type.attrs[i]); | |
1150 | ||
1151 | kfree(p->gid_attr_group->type.attrs); | |
1152 | p->gid_attr_group->type.attrs = NULL; | |
1153 | ||
1154 | err_remove_gid_ndev: | |
1155 | sysfs_remove_group(&p->gid_attr_group->kobj, | |
1156 | &p->gid_attr_group->ndev); | |
1157 | ||
1158 | err_free_gid_ndev: | |
1159 | for (i = 0; i < attr.gid_tbl_len; ++i) | |
1160 | kfree(p->gid_attr_group->ndev.attrs[i]); | |
1161 | ||
1162 | kfree(p->gid_attr_group->ndev.attrs); | |
1163 | p->gid_attr_group->ndev.attrs = NULL; | |
1164 | ||
1da177e4 LT |
1165 | err_remove_gid: |
1166 | sysfs_remove_group(&p->kobj, &p->gid_group); | |
1167 | ||
1168 | err_free_gid: | |
d48593bf DT |
1169 | for (i = 0; i < attr.gid_tbl_len; ++i) |
1170 | kfree(p->gid_group.attrs[i]); | |
1da177e4 | 1171 | |
d48593bf | 1172 | kfree(p->gid_group.attrs); |
cad6d02a | 1173 | p->gid_group.attrs = NULL; |
1da177e4 LT |
1174 | |
1175 | err_remove_pma: | |
0f6ef65d PP |
1176 | if (p->pma_table) |
1177 | sysfs_remove_group(&p->kobj, p->pma_table); | |
1da177e4 | 1178 | |
470be516 MB |
1179 | err_put_gid_attrs: |
1180 | kobject_put(&p->gid_attr_group->kobj); | |
1181 | ||
1da177e4 | 1182 | err_put: |
cad6d02a | 1183 | kobject_put(&p->kobj); |
1da177e4 LT |
1184 | return ret; |
1185 | } | |
1186 | ||
adee9f3f | 1187 | static ssize_t node_type_show(struct device *device, |
f4e91eb4 | 1188 | struct device_attribute *attr, char *buf) |
1da177e4 | 1189 | { |
54747231 | 1190 | struct ib_device *dev = rdma_device_to_ibdev(device); |
1da177e4 LT |
1191 | |
1192 | switch (dev->node_type) { | |
07ebafba TT |
1193 | case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); |
1194 | case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); | |
180771a3 | 1195 | case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type); |
5db5765e | 1196 | case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type); |
07ebafba TT |
1197 | case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); |
1198 | case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); | |
1199 | default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); | |
1da177e4 LT |
1200 | } |
1201 | } | |
adee9f3f | 1202 | static DEVICE_ATTR_RO(node_type); |
1da177e4 | 1203 | |
adee9f3f | 1204 | static ssize_t sys_image_guid_show(struct device *device, |
f4e91eb4 | 1205 | struct device_attribute *dev_attr, char *buf) |
1da177e4 | 1206 | { |
54747231 | 1207 | struct ib_device *dev = rdma_device_to_ibdev(device); |
1da177e4 LT |
1208 | |
1209 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", | |
86bee4c9 OG |
1210 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]), |
1211 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]), | |
1212 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]), | |
1213 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3])); | |
1da177e4 | 1214 | } |
adee9f3f | 1215 | static DEVICE_ATTR_RO(sys_image_guid); |
1da177e4 | 1216 | |
adee9f3f | 1217 | static ssize_t node_guid_show(struct device *device, |
f4e91eb4 | 1218 | struct device_attribute *attr, char *buf) |
1da177e4 | 1219 | { |
54747231 | 1220 | struct ib_device *dev = rdma_device_to_ibdev(device); |
1da177e4 | 1221 | |
1da177e4 | 1222 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", |
cf311cd4 SH |
1223 | be16_to_cpu(((__be16 *) &dev->node_guid)[0]), |
1224 | be16_to_cpu(((__be16 *) &dev->node_guid)[1]), | |
1225 | be16_to_cpu(((__be16 *) &dev->node_guid)[2]), | |
1226 | be16_to_cpu(((__be16 *) &dev->node_guid)[3])); | |
1da177e4 | 1227 | } |
adee9f3f | 1228 | static DEVICE_ATTR_RO(node_guid); |
1da177e4 | 1229 | |
adee9f3f | 1230 | static ssize_t node_desc_show(struct device *device, |
f4e91eb4 | 1231 | struct device_attribute *attr, char *buf) |
c5bcbbb9 | 1232 | { |
54747231 | 1233 | struct ib_device *dev = rdma_device_to_ibdev(device); |
c5bcbbb9 RD |
1234 | |
1235 | return sprintf(buf, "%.64s\n", dev->node_desc); | |
1236 | } | |
1237 | ||
adee9f3f PP |
1238 | static ssize_t node_desc_store(struct device *device, |
1239 | struct device_attribute *attr, | |
1240 | const char *buf, size_t count) | |
c5bcbbb9 | 1241 | { |
54747231 | 1242 | struct ib_device *dev = rdma_device_to_ibdev(device); |
c5bcbbb9 RD |
1243 | struct ib_device_modify desc = {}; |
1244 | int ret; | |
1245 | ||
3023a1e9 | 1246 | if (!dev->ops.modify_device) |
c5bcbbb9 RD |
1247 | return -EIO; |
1248 | ||
bd99fdea | 1249 | memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX)); |
c5bcbbb9 RD |
1250 | ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); |
1251 | if (ret) | |
1252 | return ret; | |
1253 | ||
1254 | return count; | |
1255 | } | |
adee9f3f | 1256 | static DEVICE_ATTR_RW(node_desc); |
c5bcbbb9 | 1257 | |
adee9f3f | 1258 | static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr, |
41a6ae1e IW |
1259 | char *buf) |
1260 | { | |
54747231 | 1261 | struct ib_device *dev = rdma_device_to_ibdev(device); |
41a6ae1e | 1262 | |
9abb0d1b LR |
1263 | ib_get_device_fw_str(dev, buf); |
1264 | strlcat(buf, "\n", IB_FW_VERSION_NAME_MAX); | |
41a6ae1e IW |
1265 | return strlen(buf); |
1266 | } | |
adee9f3f PP |
1267 | static DEVICE_ATTR_RO(fw_ver); |
1268 | ||
1269 | static struct attribute *ib_dev_attrs[] = { | |
1270 | &dev_attr_node_type.attr, | |
1271 | &dev_attr_node_guid.attr, | |
1272 | &dev_attr_sys_image_guid.attr, | |
1273 | &dev_attr_fw_ver.attr, | |
1274 | &dev_attr_node_desc.attr, | |
1275 | NULL, | |
1276 | }; | |
41a6ae1e | 1277 | |
5f8f5499 | 1278 | const struct attribute_group ib_dev_attr_group = { |
adee9f3f | 1279 | .attrs = ib_dev_attrs, |
1da177e4 LT |
1280 | }; |
1281 | ||
5767198a | 1282 | static void ib_free_port_attrs(struct ib_device *device) |
584482ac HE |
1283 | { |
1284 | struct kobject *p, *t; | |
1285 | ||
1286 | list_for_each_entry_safe(p, t, &device->port_list, entry) { | |
1287 | struct ib_port *port = container_of(p, struct ib_port, kobj); | |
5767198a | 1288 | |
584482ac | 1289 | list_del(&p->entry); |
5767198a | 1290 | if (port->hw_stats_ag) |
b40f4757 | 1291 | free_hsag(&port->kobj, port->hw_stats_ag); |
5767198a | 1292 | kfree(port->hw_stats); |
0f6ef65d PP |
1293 | |
1294 | if (port->pma_table) | |
1295 | sysfs_remove_group(p, port->pma_table); | |
584482ac HE |
1296 | sysfs_remove_group(p, &port->pkey_group); |
1297 | sysfs_remove_group(p, &port->gid_group); | |
470be516 MB |
1298 | sysfs_remove_group(&port->gid_attr_group->kobj, |
1299 | &port->gid_attr_group->ndev); | |
1300 | sysfs_remove_group(&port->gid_attr_group->kobj, | |
1301 | &port->gid_attr_group->type); | |
1302 | kobject_put(&port->gid_attr_group->kobj); | |
584482ac HE |
1303 | kobject_put(p); |
1304 | } | |
1305 | ||
1ae4cfa0 | 1306 | kobject_put(device->ports_kobj); |
584482ac HE |
1307 | } |
1308 | ||
5767198a | 1309 | static int ib_setup_port_attrs(struct ib_device *device) |
1da177e4 | 1310 | { |
ea1075ed | 1311 | unsigned int port; |
1da177e4 | 1312 | int ret; |
1da177e4 | 1313 | |
5767198a PP |
1314 | device->ports_kobj = kobject_create_and_add("ports", &device->dev.kobj); |
1315 | if (!device->ports_kobj) | |
1316 | return -ENOMEM; | |
1da177e4 | 1317 | |
ea1075ed JG |
1318 | rdma_for_each_port (device, port) { |
1319 | ret = add_port(device, port); | |
1da177e4 LT |
1320 | if (ret) |
1321 | goto err_put; | |
1da177e4 LT |
1322 | } |
1323 | ||
1324 | return 0; | |
1325 | ||
1326 | err_put: | |
5767198a | 1327 | ib_free_port_attrs(device); |
1da177e4 LT |
1328 | return ret; |
1329 | } | |
1330 | ||
5767198a | 1331 | int ib_device_register_sysfs(struct ib_device *device) |
1da177e4 | 1332 | { |
5767198a | 1333 | int ret; |
584482ac | 1334 | |
5f8f5499 | 1335 | ret = ib_setup_port_attrs(device); |
5767198a PP |
1336 | if (ret) |
1337 | return ret; | |
1338 | ||
5767198a PP |
1339 | if (device->ops.alloc_hw_stats) |
1340 | setup_hw_stats(device, NULL, 0); | |
1341 | ||
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | void ib_device_unregister_sysfs(struct ib_device *device) | |
1346 | { | |
1347 | if (device->hw_stats_ag) | |
1348 | free_hsag(&device->dev.kobj, device->hw_stats_ag); | |
1349 | kfree(device->hw_stats); | |
1350 | ||
1351 | ib_free_port_attrs(device); | |
1da177e4 | 1352 | } |